It's because you or somebody allready enter too many wrong codes, you just have to let phone ON on theses errors messages and after 40 min to 2 hours maximum the message "Enter Code Special" will appear again !

Motorola Atrix Unlock instructions (no simcard):

1) As if making a call type #786074* 2) Enter Unlock code

If your phone is a 3G phone (ie. z8):

On the home screen/lock message, enter **057*

Unlock Instruction for Motorola Milestone

1) Power ON your phone with different SIM Card then the phone is locked to2) Type *#32# and then Press OK3) Enter UNLOCK CODE4) Device is now unlocked

If your phone is not prompting you to enter a code and are receiving a message "Cell phone is blocked, please contact service provider"

1) As if making a call press #073887*

2) Enter unlock code provided

Motorola A956 (Droid 2) unlock instructions:

1) Make sure Network Mode is set to GSM/UTMS 2) To enter the unlock code for motorola, phone, insert a foreign / unaccepted sim card and enter the unlock code. * If your phone appears on the "Contact operator" or the inability to enter the code should leave the phone with a foreign sim card for about 30 minutes. After this time you are allowed to enter the code.